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8388322 |
Electronic fuel pump
A fuel pump for deployment in a fuel system for an internal combustion engine comprises a 3-phase brushless direct current motor, a sling vane impeller with blade-shaped sling vanes, sensorless...
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8388328 |
Rotary pump and brake device in which rotary pump is provided
In an inner wall surface of a casing, grooves are formed that correspond to end faces of an outer rotor and an inner rotor, and seal members are disposed within the grooves, the seal members...
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8388327 |
Progressing cavity pump with several pump sections
A progressing cavity pump comprises at least an inner pump rotor enclosed by at least an outer pump rotor so as to collectively form one or more, in principle, separate pump cavities which,...
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8387648 |
Device for dividing a flow equally between two or more objects
Device for equalizing a liquid flow in a flow taking place through a device formed of at least two liquid-moving elements located on shafts (10, 11), in which case the flow channel is formed of a...
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8382461 |
Vane cell pump and impeller having a chamber wall with a projecting web
An impeller for a vane cell pump includes, but is not limited to vane receptacles for receiving an at least radially movable pump vane. A chamber wall is formed between two adjacent vane...
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8382462 |
Vane pump with circulating oil supply passage
An oil supply groove in communication with a pump room is formed above a bearing of a housing, and an open air groove in communication with atmospheric air is formed at a position rotated around...
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8376724 |
Gear pump enabling efficient pump capacity change
An oil pump includes a drive gear, which rotates with a drive shaft, a driven gear, which meshes with the drive gear and is supported rotatable on a driven shaft, and a casing having a pump...
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8375720 |
Plasma-vortex engine and method of operation therefor
A plasma-vortex engine (20) provided. The engine (20) consists of a plasmatic fluid (22) circulating in a closed loop (44) encompassing a fluid heater (26), an expansion chamber (30), and a...
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8376725 |
Planetary rotation machine
A planetary rotation machine including at least one ring channel which is curved along an at least partial arc and that contains a piston that can be moved in a fluid generating a movement. The...
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8376720 |
Outer ring driven gerotor pump
A gerotor pump includes an inner ring and an outer ring. The inner ring is rotateable about an axis, where the inner ring has an outer diameter contact surface. The outer ring has an inner diameter...
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8371834 |
Anti-self rotation mechanism of a scroll fluid machine
An anti-self rotation mechanism for preventing self-rotation of the eccentric shaft includes a long orbiting key formed at an end of the eccentric shaft, a ring formed of a long hole through which...
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8366405 |
Screw compressor with capacity control slide valve
A screw compressor includes a casing, a screw rotor disposed in a cylinder portion of the casing to define a compression chamber, and a capacity control slide valve. Fluid sucked into the...
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8366425 |
Compressor slider, slider preform, scroll part, and compressor
A compressor slider has a carbon content of 2.0 wt % to 2.7 wt %, a silicon content of 1.0 wt % to 3.0 wt %, a balance of iron that includes unavoidable impurities, graphite that is smaller than...
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8366424 |
Rotary fluid machine with reverse moment generating mechanism
A rotary fluid machinery includes a fixed member, a drive shaft driven and rotated about a rotation axis, a movable member, a movable member support part and a reverse moment generating mechanism....
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8360760 |
Rotary engine vane wing apparatus and method of operation therefor
A rotary apparatus is described having: a vane; a rotor comprising a center, the rotor configured to carry the vane; and a housing, the rotor operatively mounted within the housing. The vane...
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8360759 |
Rotary engine flow conduit apparatus and method of operation therefor
A rotary engine is described including: (1) a rotor eccentrically located within a housing, the rotor configured with a plurality of rotor vane slots; (2) a first vane of a set of vanes separating...
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8360761 |
Fixation arrangement for an oil pump in a refrigeration compressor
The fixation arrangement of the present invention is applied to a compressor of the type which comprises a shell (1) inferiorly defining an oil sump (3) and housing: a crankshaft (4) journalled in...
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8360762 |
Oil pump rotor
An oil pump rotor includes an inner rotor formed with n (n: a natural number) external teeth, and an outer rotor formed with n+1 internal teeth which are in meshing engagement with each of the...
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8356986 |
Compressor
A compressor includes a compression mechanism having two opposed end plates, a fixed member disposed between the two end plates, a movable member disposed between the two end plates, a bypass...
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8356987 |
Compressor with retaining mechanism
A compressor may include a shell and a housing fixed within the shell. A compression mechanism may be supported by the housing and may include an orbiting scroll member and a non-orbiting scroll...
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8356585 |
Planetary rotary engine
A planetary engine includes a charge compression system for compressing a charge of air and/or an air and fuel mixture that is precompressed by rotation of the rotors and supplied into a combustion...
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8353693 |
Fluid machine
A fluid machine includes an inflow passageway arranged and configured to introduce fluid from outside into inner and outer fluid chambers of a first eccentric rotation mechanism, a communication...
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8353692 |
Scroll type compressor
A scroll type compressor has a housing, a rotary shaft, a fixed scroll member, a movable scroll member and a rotation preventing mechanism. The rotation preventing mechanism has a movable pin that...
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8348637 |
Gear pump and method of delivering fluid using such a pump
A gear pump capable of alternately distributing a fluid in two distinct utilization circuits without the need for a switch. The gear pump (1) comprises two fluid outlet ports (5, 6) connected to...
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8347848 |
Internal combustion engine
An engine having a rotor including at least one slot and at least one combustion chamber used to form a cavity is provided. The engine also includes at least one vane rollably disposed in the slot,...
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8348645 |
Balanced pressure, variable displacement, dual lobe, single ring, vane pump
A pump including a pressure plate having two inlets and outlets, wherein each inlet has an auxiliary intake port in fluid communication with the inlet, and each outlet has an auxiliary discharge...
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8348649 |
Single screw compressor and a method for processing a screw rotor
In a screw rotor (40), a first suction-side area (45) is formed in a first side wall surface (42) of a spiral groove (41). In the first side wall surface (42), a portion extending from a start...
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8348647 |
Scroll type compressor including a suction pipe having iron portion and copper portion
A scroll type compressor includes a fixed scroll having a suction opening, a movable scroll, a hermetically sealed container having an upper cap, and a suction pipe that penetrates through the...
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8348646 |
Variable displacement vane pump
A variable displacement vane pump includes a first and a second fluid pressure chamber (31,32) where the cam ring (4) is made eccentric to the rotor (2) by a pressure difference between the first...
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8348623 |
Apparatus and a method for regulation of the energy potential in a fluid column located within a pipeline
The present invention describes an apparatus (1) and a method for use in regulation of the energy potential in a fluid column located within a pipeline (13), the apparatus (1) including two...
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8348648 |
Single screw compressor
In a single screw compressor, gates (51) of gate rotors (50) are to be engaged with spiral grooves (41) of a screw rotor (40). In each spiral groove (41) of the screw rotor (40), an area extending...
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8348650 |
Root pump
A housing of a Roots pump is configured by joining a lower housing member and an upper housing member that are separable from each other. With the upper and lower housing members joined together,...
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8342826 |
Variable capacity vane pump
A variable capacity vane pump (100) has a pump housing (10) having a high-load bearing part (10a) on which a higher load is exerted than another part when the pump vane pump (100) operates. A...
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8342825 |
2 stage rotary compressor
The present invention provides a 2 stage rotary compressor (100) including a hermetic container (101), a 2 stage compression assembly provided in the hermetic container, wherein a low pressure...
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8342827 |
Hermetic compressor and refrigeration cycle device having the same
Disclosed are a hermetic compressor and a refrigeration cycle device having the same. An oil separator for separating oil from a refrigerant is installed outside a casing. The oil separated by the...
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8342828 |
Seal for a rotary vane pump
A pump includes a housing and a shaft rotatable about an axis. The shaft has a shaft diameter and has a portion disposed within the housing. A plurality of retractable vanes is coupled to the shaft...
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8342829 |
Three-stage screw compressor
The invention relates to a multi step helical screw compressor unit which consists of a drive housing (90), wherein a first, second, and third helical screw compressor (60, 70, 80) are secured in a...
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8337183 |
Oil return valve for a scroll compressor
A valve for selectively allowing the return of oil from a discharge plenum to a suction plenum includes a passage which is selectively opened or blocked by a valve spool. The valve spool sees a...
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8337182 |
Skinning of progressive cavity apparatus
A skinned rotor 201 or skinned stator 305 of a progressive cavity apparatus is described. A rotor 201 can be skinned by threading a sleeve 210 with a profiled helical outer 212 and profiled helical...
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8337185 |
Rotary compressor having an oil separation plate therein
A rotary compressor includes a compressor casing which includes a compression unit for sucking refrigerant gas from a low pressure side of a refrigerating cycle and ejecting the gas to a high...
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8337184 |
Single screw compressor structure
A single screw compressor structure includes a screw rotor and a casing. The screw rotor has a plurality of helical grooves formed in an outer peripheral surface thereof. The casing houses the...
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8336518 |
Rotary machine with roller controlled vanes
A rotary machine is provided, having a stator forming a chamber for a rotor, the stator having two sidewalls defining opposite sides of the chamber and a substantially continuous, circumferentially...
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8337169 |
System with a compressor and with a consumer in a motor vehicle
A system has a compressor and a consumer which are coupled to a drivetrain and extract energy through the drivetrain. The consumer is suitable for varying an absorption of power, which is made...
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8337181 |
Rotary pump with deformable rollers
The claimed invention relates to rotary pumps. The claimed rotary pump comprises: an hollow housing having a side wall and end-face walls; a shaft rotatably positioned in the housing essentially in...
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8333244 |
Bottom tag for progressing cavity pump rotor with coiled tubing access
The bottom tag of the present invention comprises a tapered coupling that is secured below the stator housing. In one embodiment the smaller diameter of the coupling is smaller than the rotor minor...
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8333576 |
Power steering pump having intake channels with enhanced flow characteristics and/or a pressure balancing fluid communication channel
A power steering pump includes, an intake flow channel defined by a first surface; a chamber into which fluid is received; and a plate disposed between the first surface and the chamber. An opening...
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8328543 |
Contoured check valve disc and scroll compressor incorporating same
A check valve is provided which may be integrated into a scroll compressor that prevents static cohesion sticking forces between a valve disc member and a retainer member of the check valve...
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8328545 |
Scroll fluid machine with stabilized orbiting scroll
A scroll fluid machine comprises a fixed-side member including a cylindrical casing and a fixed scroll fixed to the casing, and an orbiting scroll and a plurality of ball coupling devices provided...
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8328542 |
Positive displacement rotary components having main and gate rotors with axial flow inlets and outlets
An axial flow positive displacement gas turbine engine component such as a compressor or a turbine or an expander includes a rotor assembly extending from a fully axial flow inlet to a downstream...
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8328544 |
Bearings of a scroll type machine with crank mechanism
The invention reduces a centrifugal force of an orbiting scroll which acts on an auxiliary crank mechanism. A crank pin which is eccentric from a main shaft portion is formed in a drive shaft and...
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